<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="房间号" prop="roomNo">
        <el-input
          v-model="queryParams.roomNo"
          placeholder="请输入房间号"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item label="绑定状态" prop="roomStyle">
        <el-select
          v-model="queryParams.roomStyle"
          placeholder="请选择绑定状态"
          clearable
          @change="handleQuery"
        >
          <el-option label="待绑定" value="0" />
          <el-option label="已绑定" value="1" />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="Plus"
          @click="handleAdd"
          v-hasPermi="['behindRoom:roomManage:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="Edit"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['behindRoom:roomManage:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="Delete"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['behindRoom:roomManage:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="Download"
          @click="handleExport"
          v-hasPermi="['behindRoom:roomManage:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="roomManageList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
<!--      <el-table-column label="主键ID" align="center" prop="id" />-->
      <el-table-column label="楼宇名称" align="center">
        <template #default="scope">
          {{ getBuildingName(scope.row.buildingId) }}
        </template>
      </el-table-column>
      <el-table-column label="房间号" align="center" prop="roomNo" />
      <el-table-column label="房屋面积" align="center" prop="roomArea" />
      <el-table-column label="绑定状态" align="center">
        <template #default="scope">
          <el-tag v-if="scope.row.roomStyle === 1" type="success">已绑定</el-tag>
          <el-tag v-else-if="scope.row.roomStyle === 0" type="info">待绑定</el-tag>
          <span v-else>{{ scope.row.roomStyle }}</span>
        </template>
      </el-table-column>
      <el-table-column label="房屋描述" align="center" prop="roomInfo" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)" v-hasPermi="['behindRoom:roomManage:edit']">修改</el-button>
          <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)" v-hasPermi="['behindRoom:roomManage:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改房屋管理对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="roomManageRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="楼宇名称" prop="buildingId">
          <el-select v-model="form.buildingId" placeholder="请选择楼宇">
            <el-option
              v-for="building in buildingList"
              :key="building.id"
              :label="building.buildingName"
              :value="building.id"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="房间号" prop="roomNo">
          <el-input v-model="form.roomNo" placeholder="请输入房间号" />
        </el-form-item>
        <el-form-item label="房屋面积" prop="roomArea">
          <el-input v-model="form.roomArea" placeholder="请输入房子面积" />
        </el-form-item>
<!--        <el-form-item label="绑定状态" prop="roomStyle">-->
<!--          <el-input v-model="form.roomStyle" placeholder="请输入绑定状态" />-->
<!--        </el-form-item>-->
        <el-form-item label="房屋描述" prop="roomInfo">
          <el-input v-model="form.roomInfo" placeholder="请输入房屋描述" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="RoomManage">
import { listRoomManage, getRoomManage, delRoomManage, addRoomManage, updateRoomManage } from "@/api/behindRoom/roomManage"
import { listBuildingManage } from "@/api/behindBuilding/buildingManage"

const { proxy } = getCurrentInstance()

const roomManageList = ref([])
const buildingList = ref([])
const buildingMap = ref(new Map())
const open = ref(false)
const loading = ref(true)
const showSearch = ref(true)
const ids = ref([])
const single = ref(true)
const multiple = ref(true)
const total = ref(0)
const title = ref("")

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    buildingId: null,
    roomNo: null,
    roomStyle: null,
  },
  rules: {
    buildingId: [
      { required: true, message: "楼宇名称不能为空", trigger: "change" }
    ],
    roomNo: [
      { required: true, message: "房间号不能为空", trigger: "blur" }
    ],
  }
})

const { queryParams, form, rules } = toRefs(data)

/** 查询房屋管理列表 */
function getList() {
  loading.value = true
  listRoomManage(queryParams.value).then(response => {
    roomManageList.value = response.rows
    total.value = response.total
    loading.value = false
  })
}

/** 查询楼宇列表 */
function getBuildingList() {
  listBuildingManage({}).then(response => {
    buildingList.value = response.rows
    // 创建楼宇ID到楼宇名称的映射
    buildingList.value.forEach(building => {
      buildingMap.value.set(building.id, building.buildingName)
    })
  })
}

/** 根据楼宇ID获取楼宇名称 */
function getBuildingName(buildingId) {
  return buildingMap.value.get(buildingId)
}

// 取消按钮
function cancel() {
  open.value = false
  reset()
}

// 表单重置
function reset() {
  form.value = {
    id: null,
    buildingId: null,
    roomNo: null,
    roomArea: null,
    roomStyle: null,
    roomInfo: null
  }
  proxy.resetForm("roomManageRef")
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1
  getList()
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef")
  handleQuery()
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.id)
  single.value = selection.length != 1
  multiple.value = !selection.length
}

/** 新增按钮操作 */
function handleAdd() {
  reset()
  open.value = true
  title.value = "添加房屋管理"
}

/** 修改按钮操作 */
function handleUpdate(row) {
  reset()
  const _id = row.id || ids.value
  getRoomManage(_id).then(response => {
    form.value = response.data
    open.value = true
    title.value = "修改房屋管理"
  })
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["roomManageRef"].validate(valid => {
    if (valid) {
      if (form.value.id != null) {
        updateRoomManage(form.value).then(response => {
          proxy.$modal.msgSuccess("修改成功")
          open.value = false
          getList()
        })
      } else {
        addRoomManage(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功")
          open.value = false
          getList()
        })
      }
    }
  })
}

/** 删除按钮操作 */
function handleDelete(row) {
  const _ids = row.id || ids.value
  
  // 检查是否有已绑定的房屋（roomStyle为1表示已绑定）
  let hasBoundRoom = false
  
  // 单行删除情况
  if (row && row.roomStyle === 1) {
    hasBoundRoom = true
  }
  // 多行删除情况
  else if (_ids.length > 0) {
    for (const room of roomManageList.value) {
      if (_ids.includes(room.id) && room.roomStyle === 1) {
        hasBoundRoom = true
        break
      }
    }
  }
  
  // 如果有已绑定的房屋，提示不能删除
  if (hasBoundRoom) {
    proxy.$modal.msgError("还有用户居住的房屋，不能删除")
    return
  }
  
  proxy.$modal.confirm('是否确认删除该房间？').then(function() {
    return delRoomManage(_ids)
  }).then(() => {
    getList()
    proxy.$modal.msgSuccess("删除成功")
  }).catch(() => {})
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download('behindRoom/roomManage/export', {
    ...queryParams.value
  }, `roomManage_${new Date().getTime()}.xlsx`)
}

// 初始化时同时获取房间列表和楼宇列表
getBuildingList()
getList()
</script>
